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Related Concept Videos

Sutures of the Skull01:22

Sutures of the Skull

The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Local Anesthetics: Differential Sensitivity of Nerve Fibers01:24

Local Anesthetics: Differential Sensitivity of Nerve Fibers

Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...
Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
The Lumbar Plexus
The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...

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Related Experiment Video

Updated: Jun 29, 2026

A Mouse Model of Direct Anastomosis via the Prespinal Route for Crossing Nerve Transfer Surgery
05:56

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Published on: October 19, 2021

[Results following primary nerve sutures].

P Mailänder1, A Berger, K Ruhe

  • 1Klinik für Plastische, Hand-und Wiederherstellungschirurgie, Medizinischen Hochschule Hannover im Krankenhaus Oststadt.

Handchirurgie, Mikrochirurgie, Plastische Chirurgie : Organ Der Deutschsprachigen Arbeitsgemeinschaft Fur Handchirurgie : Organ Der Deutschsprachigen Arbeitsgemeinschaft Fur Mikrochirurgie Der Peripheren Nerven Und Gefasse : Organ Der V
|November 1, 1988
PubMed
Summary

This study analyzed 143 upper extremity nerve sutures, finding that two-thirds achieved sensory recovery. Digital nerve injuries were most common, with standard techniques yielding positive nerve regeneration outcomes.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Regenerative Medicine

Context:

  • Focuses on primary nerve sutures in the upper extremity.
  • Evaluates sensory and motor recovery following nerve repair.
  • Analyzes a cohort of 143 patients with nerve lesions.

Purpose:

  • To assess the outcomes of primary nerve sutures in the upper extremity.
  • To identify factors influencing nerve regeneration.
  • To evaluate the effectiveness of standard operative techniques for nerve repair.

Summary:

  • The study examined 143 primary nerve sutures in the upper extremity, with a focus on sensory and motor recovery.
  • Digital nerve lesions constituted the majority (72.3%) of cases.
  • Static two-point discrimination returned in two-thirds of patients, indicating successful nerve regeneration using standard techniques.

Impact:

  • Provides insights into the efficacy of nerve repair in the upper extremity.
  • Highlights the importance of surgical technique in nerve regeneration.
  • Contributes data on recovery rates for digital nerve injuries.